Ultrasonic transmitter and receiver split ruler (GPS/BDS chip PPS signal is used as time synchronization, the synchronization error is about ten microseconds)
This is a self-made project that I have p...
Today, MicroPython officially released the pyb D series development board and started selling it in the official store. The matching baseboard and expansion board are also on sale. The new pyb D serie...
Regarding the directional positioning of Bluetooth 5.1, I have looked online and found that there are basically no in-depth articles. Most of them are just superficial introductions. I feel that this ...
Original article by Mr. High Speed | Huang GangIf you are asked to evaluate the crosstalk of high-speed serial signals, you will say that their crosstalk is below -40db and has no effect. But if you a...
I used ap4 to generate code, and then created a new project with cs+ for ca. After adding the c file, I set the device configuration in Link Options according to the content in the r_option_ca.txt fil...
Compressed air flow meter is a commonly used flow measurement instrument. It has the advantages of no moving parts of traditional orifice plate, turbine, vortex flow meter, etc., and is widely used in...[Details]
Last time we talked about using an oscilloscope to measure the signal of the car's air flow meter. This time we will talk about using an oscilloscope to measure the car's oxygen sensor. The oxygen se...[Details]
1 Introduction
AC/AC conversion is the process of converting one form of alternating current into another form of alternating current . The main converters that can be used for step-down conv...[Details]
According to the American Association for the Advancement of Science on the 10th, scientists from the U.S. Department of Energy's Brookhaven National Laboratory designed and tested the world's high...[Details]
A sensor is a physical device or biological organ that can detect and sense external signals, physical conditions (such as light, heat, humidity) or chemical composition (such as smoke) and transmi...[Details]
We often encounter some inadvertent problems when designing, or things that we didn't consider during the initial design. Let's look at this example:
When designing a system, in order to ...[Details]
Check the PIC microcontroller chip manual, the description of the carry/borrow bit is: C: Carry/borrow bit. 1 = A carry occurred from the highest bit of the result 0 = No carry occurred from ...[Details]
Australian researchers have successfully combined ultra-thin semiconductors and superconductors, just one atom thick, for the first time, to conduct electricity with zero resistance. Normally, when...[Details]
Table of contents 1. Initialize I2C 2. Start the transfer 3. Data sending process 4. Receive data 5、Code 6. Note: For those who have experience in embedded development, I2C is a communi...[Details]
News on the morning of May 24: Users who have upgraded to iOS 15.5 should take note that Apple has closed the iOS 15.4.1 system verification channel, which means it is no longer possible to down...[Details]
In the autonomous driving system, the steering system is one of the key components to ensure the normal driving of the vehicle. As a steering system widely used in modern cars, the electric power s...[Details]
Foreign cable manufacturer VIVIFY has launched a new HDMI cable, model ARQUUS W73Ø, which comes with an RGB light strip. This product is an upgraded version of the previous ARQUUS W73. The ligh...[Details]
Recently, the State Intellectual Property Office announced that vivo applied for three mobile phone design patents on July 1, 2019. The design details of these three mobile phones can be seen through...[Details]
Do you still remember the Kirin 810 processor that was first launched in the Honor 9X series last year? Its powerful performance and excellent AI computing performance make it a very powerful m...[Details]
The auto-coupling step-down starting control cabinet is an electrical device widely used in the industrial field, mainly used to achieve the step-down starting and normal operation of the motor. It...[Details]
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